query_question: <image 1> Table 10.7 provides some hypothetical data on macroeconomic accounts for three countries represented by A, B, and C and measured in billions of currency units. In Table 10.7, private household saving is SH, tax revenue is T, government spending is G, and investment spending is I. Calculate the trade balance and the net inflow of foreign saving for each country(country A,B,C).
options: ['-700,250,0', '-700,250,-100', '-600,350,-100', '-700,350,0']
demo_question_list: The table below describes production possibilities for Mexico and Nigeria. Each number in the table shows the number of workers needed to produce one unit of the product. <image 1> Suppose that both countries have 90 workers. What is the opportunity cost of producing Glasses in Mexico?
  A. 1.20 Shoes
  B. 1.00 Shoes
  C. 0.83 Shoes
  D. 0.75 Shoes
  
  Answer with the option's letter from the given choices directly. The graph below shows the AD-AS diagram for Spain. All numbers are in billions. <image 1> What is the price level in the short-run equilibrium?
  A. 500
  B. 450
  C. 400
  D. 600
  
  Answer with the option's letter from the given choices directly. A recent study found that the demand and supply schedules for Frisbees are as follows:<image 1> What are the equilibrium quantity of Frisbees?
  A. 6 million
  B. 7 million
  C. 8 million
  D. 9 million
  
  Answer with the option's letter from the given choices directly. The table below describes production possibilities for Mexico and Nigeria. Each number in the table shows the number of workers needed to produce one unit of the product. <image 1> Suppose that both countries have 90 workers. Which country should be specializing in the production of Shoes?
  A. Nigeria
  B. Neither country
  C. Mexico
  
  Answer with the option's letter from the given choices directly.